import {
    add,
    bdd
} from './add'
console.log('统一暴露',add,bdd);
//引入add所有暴露的内容 并组成一个对象 对象名为add
// import * as add from './add'
import {
    data,
    time,
    PI
} from './mes'
console.log('分别暴露',data,time,PI);
// import * as mes from './mes'
console.log("分别暴露的统一接受",data,time,PI );
import say from './say';
console.log("默认暴露", say);